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Konggang Qu, Jiasi Wang, Prof. Dr. Jinsong Ren and Prof. Dr. Xiaogang Qu Carbon Dots Prepared by Hydrothermal Treatment of Dopamine as an Effective Fluorescent Sensing Platform for the Label-Free Detection of Iron(III) Ions and Dopamine Chemistry - A European Journal 19

Version of Record online: 9 APR 2013 | DOI: 10.1002/chem.201300042

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Mix and detect makes sense: A new preparative route toward distinctive fluorescent carbon nanoparticles (CNPs) by using dopamine (see figure) is described. Such CNPs can be used for multicolor bioimaging and also serve as a very effective fluorescent sensors for label-free sensitive and selective detection of Fe3+ ions and dopamine with a detection limit as low as 0.32 μM and 68 nM, respectively. This work may provide new insights into the design of CNPs and their application in bioimaging and sensing.

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